When limestone is heated in a lime-kiln we get:

milk of lime

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slaked lime and carbon dioxide

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quicklime and carbon dioxide

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calcium hydroxide and carbon dioxide

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Solution

The correct option is C quicklime and carbon dioxide
The process of converting limestone to quicklime involves heating limestone to a temperature of 1200-1400K. This thermal dissociation reaction produces carbon dioxide $(C O_{2}) .$ The heat required for the process is habitually supplied by the combustion of coal or, oil in the lime kiln.

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Similar questions

Q. When limestone is heated around 1270 K we get:

Passing carbon dioxide through slaked lime gives:

Distinguish between exothermic and endothermic reaction. Amongst the following reactions, identify the exothermic and endothermic reaction:
(i) Heating coal in the presence of air to form carbon dioxide.
(ii) Heating limestone in lime kiln to form quick lime.

What is exothermic and an endothermic reaction?
Amongst the following reactions, identify the exothermic reaction and the endothermic reaction:
1. Heating coal in air to form carbon dioxide.
2. Heating limestone in lime kiln to form quick lime. [3 MARKS]

Limestone on heating decomposes into quick lime and carbon dioxide gas.What type of reaction is this?

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